Mini PCI-E Express & PCI PC Diagnostic Post Card Tester

Supports three bus interfaces: MINI PCI, Mini PCI-E. Ideal and useful tool for notebook repairing partner, easy to use. Diagnosis signal which show the problem of CPU, Memory, display card and so on. LED displays shows diagnosis result of motherboard. Especially helpful to pinpoint where is the problem when power on the computer and find no display or machine hang. This is used to display the Error-code and RST/CLK signals. The Display portion is composed with two 7-segment LEDs. The two "Dots" of the LEDs are used to indicate the notebook "RST" and "CLK" status. The left side "Dot" is for "RST", and the right side "Dot" is for "CLK". When the notebook is in "Reset" status, the left side Dot" will be lighted. When the notebook has a correct CLK output, the right side "Dot" will be lighted.